You can dynamically switch between components in a template by using the reserved <component> element and dynamically bind to its is attribute. By using <keep-alive> you can tell Vue to keep the component in memory.
In the previous post about dynamic component
<component :is="selectedComp"></component><script>import Vue from "vue"import { Component, Prop } from "vue-property-decorator"const One = { ?functional: true, ?name: "One", ?render: h => <h1 class="bg-red">One</h1>}const Two = { ?functional: true, ?name: "Two", ?render: h => <h1 class="bg-green">Two</h1>}const Three = { ?functional: true, ?name: "Three", ?render: h => <h1 class="bg-purple">Three</h1>}@Component({ ?components: { ?}})export default class App extends Vue { ?comps = [One, Two, Three] ?selectedComp = this.comps[0]}</script>Because inside @Component({components: {}}) haven‘t register those component ‘One, Two, Three‘, so then using
<component :is="selectedComp"></component>
‘selectedComp‘ has to ben a real functional component.
But If we have registered the components:
@Component({ ?components: { ????One, Two, Three ?}})The the ‘selectedComp‘ can be just component‘s name:
selectedComponent = ‘One‘ | ‘Two‘ | ‘Three‘
<keep-alive> Component:
Components might have some state, you want to keep the state instead of losting it, you can use ‘keep-alive‘ component:
<keep-alive> ???<component v-bind:is="currentView" v-bind:initial-quantity="item.quantity" v-bind:name="item.text" v-bind:diet="item.diet"></component></keep-alive>
[Vue @Component] Dynamic Vue.js Components with the component element
原文地址：https://www.cnblogs.com/Answer1215/p/9374566.html